How to reset the Samsung Galaxy S3

If your Samsung Galaxy S III is frozen or unresponsive, you might want to try different reset procedures before visiting the Help Desk and be several days (or weeks) without your precious. Please remember to backup all of data before proceeding, as you might not be able to access it thereafter. It is also recommended to fully charge your phone and remove the SIM and Memory cards.

This post collects the different procedures you might want to try to recover your smartphone. If none of these methods work for you, you're advised to contact the official after-sales service for support; don't try to repair the phone yourself and never disassemble it.